But in real life, the pair had been together for a long time, after meeting on the soap.
Their agents said they're still friends, but the actors themselves refuse to talk about what's happened.
Quitting the show
But they have been seen having huge rows in public over the last couple of years, which has often been reported in the papers.
Lucy Benjamin is about to leave EastEnders, and Steve McFadden is taking a year out from the soap in the autumn.